OS Metric Series Single Lip Oil Seal, 30 mm ID x 42 mm OD x 6 mm Width, Rubber/Steel Construction for Automotive, Gearbox and Hydraulic Systems, -30°C to +100°C

Single lip oil seal 30 x 42 x 6 mm for shafts
✔️ 30 mm ID x 42 mm OD x 6 mm width; rubber/steel seal, sold each

This single-piece OS Metric single lip oil seal (sold each) keeps lubricant in and contaminants out on rotating shafts. It’s commonly used in automotive engines, transmissions, gearboxes and hydraulic systems where sealed ball bearing housings or linear slide units need reliable oil retention.

✅ I.D.: 30 mm (shaft bore)
✅ O.D.: 42 mm exterior diameter
✅ Width: 6 mm radial thickness
✅ Material: rubber sealing lip bonded to steel case
✅ Series & type: OS Metric Series, single lip design
✅ Temperature range: -30°C to +100°C
✅ Typical uses: automotive, gearboxes, hydraulic and pneumatic systems
✅ Compatibility: works with sealed ball bearing housings and linear slide units; suitable with ceramic or steel bearings

💡 What is an oil seal used for in gearbox and hydraulic sealing applications? An oil seal keeps lubricant in and dirt out on rotating shafts to prevent leaks and contamination. Here’s a quick intro to why they’re handy: - Retains oil around sealed ball bearing housings and linear slide units to extend service life. - Keeps dust, water and debris away from bearing surfaces and ceramic or steel bearings. - Lowers maintenance needs and reduces failure risk in automotive, industrial and hydraulic setups.